Verified Solution • 2025–26 Session moderate

QJEEM05Ch03e4: JEE Main 2005 Chemistry - Class 11 JEEM05Ch03e4 Solution: Based on lattice energy and other considerations which one of…

Based on lattice energy and other considerations which one of the following alkali metal chlorides is expected to have the highest melting point :

Multiple Choice Options

  • A LiCl
  • B NaCl
  • C KCl
  • D RbCl

Step-by-Step Verified Solution

LiCl has partly covalent character. Other halides are ionic in nature. Lattice energy decreases with increases of ionic radius of cation, anion being the same. Larger is the lattice energy, the higher will be m. pt. hence NaCl will have highest lattice energy.

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